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Brazil | |
| various added photos |
| [var. Sericite] Souza Neto, J.A., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205. |
| Cassedanne, Jacques P., Nen, Luizhélio Barreto da Silva (1991) Strontian Crandallite from the Alto Benedito Pegmatite, Paraiba, Brazil. The Mineralogical Record, 22 (3) 183-185 |
| Pavel.M. Kartashov (n.d.) analytical data. |
| Witzke, T., Steins, M., Doering, T., Schuckmann, W., Wegner, R., Pöllmann, H. (2011) Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral from Quixaba, Paraíba, Brazil. The Canadian Mineralogist, 49 (4) 1105-1110 doi:10.3749/canmin.49.4.1105 Ferreira, A., Ferreira, V. P., Soares, D. R., & Vilarroel-Leo, H. S. (2005). Chemical and mineralogical characterization of elbaites from the Alto Quixaba pegmatite, Seridó province, NE Brazil. Anais da Academia Brasileira de Ciências, 77(4), 729-743. |
| Beurlen, H., Thomas, R., Soares, D. R., & Da Silva, M. R. R. (2018). Nigerite Group “Zinconigerite-(6n6s)” Variety in the Roncadeira Pegmatite, Nova Palmeira-county State of Paraíba, Borborema Province, NE-brazil. Estudos Geológicos, 28(1), 35-55. Beurlen, H., Thomas, R., Melgarejo, J. C., Da Silva, J. M. R., Rhede, D., Soares, D. R., & Da Silva, M. R. (2013). Chrysoberyl-sillimanite association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration. Journal of GEOsciences, 58(2), 79-90. |
| Murdoch, J. (1955) Phosphate minerals of the Borborema pegmatites: I-Patrimonio. American Mineralogist: 40: 50-63. |
| Wegner, R., Pöllmann, H., Witzke, T., Schuckmann, W. (1998) Colquiriite, carlhintzeite, ralstonite and pachnolite from Serra Branca-Pegmatite/Brazil.- Proceedings 17th General Meeting, IMA, August 1998, Toronto: A151. |
| King, Van (n.d.) Personal communcation. |
| Sergio Varvello collection |
| various added photos |
| Carrino, Thais Andressa, Barreto, Sandra de Brito, Oliveira, Paula Jussara Azevedo de, Araújo Neto, José Ferreira de, Correia, Aldine Maria de Lima (2019) Linking gemology and spectral geology: a case study of elbaites from Seridó Pegmatite Province, Northeastern Brazil. Brazilian Journal of Geology, 49 (2) doi:10.1590/2317-4889201920180113 de Brito Barreto, S., & Bretas Bittar, S. M. (2010). Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140. |
- Vieirópolis pegmatite field
| [var. Illite] e Souza, B. D. A., Manoel, I., Guimarães, I. D. P., Barreto, S. D. B., Santos, G. L., & Araújo Neto, J. F. D. (2020). Whole-rock and mineral chemistry characterization of contrasting granitoids, constraints on the source of the Vieirópolis NYF-type pegmatites, Northeastern Brazil. Brazilian Journal of Geology, 50. |